what is best nosql database

Kristóf Kovács, a software architect and consultant, recently released an article comparing various types of NoSQL databases. Although the SQL database is a very useful tool, the monopoly is about to be broken after a 15-year solo show. It was only a matter of time: forced to use relational databases, but found that t

Oracle databases are very different from MSSQL data operations, but there are analogies in mirroring operations. This article is about how MSSQL database mirroring is implemented in Oracle databases, and what differences exist between them. First, the mirror database in the

We design relational database schemas with a complete set of solutions, but NoSQL does not. Half a year ago I read this "SQL anti-mode" book, feel very good. Just start to notice, is there an inverse pattern for nosql? A good counter pattern can be used in our design schema to tell where traps and cliffs are.

Redis database of NoSQL Database: Redis introduction and installation and deployment, nosqlredisZookeeper NoSQL (NoSQL = Not Only SQL) refers to non-relational databases. With the rise of Internet Web websites, traditional relational databases are dealing with Web websites,

Naresh Kumar is a software engineer and passionate blogger who has a great interest in programming and new things, and is happy to share technical research with other developers and programmers. Recently, Naresh wrote about 12 well-known free, open source NoSQL databases, and analyzed the characteristics of these databases.Now that

What does the database actually store? are specific files, audio, documents, forms, fields? Not really. The address is stored in the database, For example, users want to see the video, the user through the browser to visit the website of the video site, video Web server to resolve the user's browser request (URL), a

Is NoSQL true or not? To NoSQL or not toNoSQL With the emergence of a large amount of data, NoSQL database architecture is being used by more and more people, because NoSQL architecture

field:Db.contact.createIndex ({"$* *": "text"});Then we can use the following statement for full-text search:Db.contact.find ({ $text: {$search: "Something"}});Scenario Two: Social networksA typical social network uses the same information as the contacts, but it also adds new features such as social networking, status updates, private messages, and likes. These features are added or deleted according to the user's needs, and predicting the user's needs can be very difficult for developers.Oth

large-scale SNS website, the daily user generates a huge amount of user dynamics, taking foreign friendfeed as an example, one months to reach 250 million user dynamics, for the relational database, in a 250 million records of the surface of the SQL query, the efficiency is extremely low even intolerable. 3. High Scalability hi availability-requirements for database